POSIX xgettext and the -s option

[Bruno Haible via austin-group-l at The Open Group]

https://posix.rhansen.org/p/gettext_draft
Lines 1164, 1166, 1187, 1221-1222

Issue: The option '-s' has been found to be counter-productive in practice,
and therefore has been deprecated in GNU gettext.
See https://savannah.gnu.org/bugs/?61249 .

Suggestion: Remove the '-s' option from the standard.